Employees use electric carts as they prepare to transport flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees use electric carts as they prepare to transport flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

The FloraHolland logo sits on flags flying outside the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

The FloraHolland logo sits on flags flying outside the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of flowers sit stacked on shelving before distribution at FloraHolland, the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of flowers sit stacked on shelving before distribution at FloraHolland, the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

A visitor enters FloraHolland, the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

A visitor enters FloraHolland, the largest flower auction in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of roses sit before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of roses sit before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Employees drive electric carts as they transport cages of flowers at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

An employee drives an electric cart as he transports cages of flowers before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

An employee drives an electric cart as he transports cages of flowers before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of tulips await distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Bunches of tulips await distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Crates of flowers sit in a refrigerated storage room before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

Crates of flowers sit in a refrigerated storage room before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

An employee scans information as cages of flowers sit in storage before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images

An employee scans information as cages of flowers sit in storage before distribution at FloraHolland, the largest flower trade center in the world, in Aalsmeer, Netherlands, on Tuesday, March 11, 2014. The Netherlands' flower and plant exports, the world's biggest, fell 2.3 percent last year as declining consumer purchasing power was compounded by cold spring weather in Europe and a summer heat wave that hurt sales. Photographer: Jasper Juinen/Bloomberg via Getty Images